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Problemset

302 problems · filtered by 2 tags

✓#Name✎Rating↕Solved↕
1827DTwo Centroids
data structuresdfs and similargreedytrees
28001k
1827EBus Routes
binary searchconstructive algorithmsdfs and similargreedytrees
34001k
1824CLuoTianyi and XOR-Tree
data structuresdfs and similardpdsugreedytrees
25001.7k
1815CBetween
constructive algorithmsdfs and similargraphsgreedy
22002.4k
1810EMonsters
brute forcedata structuresdfs and similardsugraphsgreedy
21004k
1805DA Wide, Wide Graph
dfs and similardpgraphsgreedytrees
18009.6k
1800E2Unforgivable Curse (hard version)
brute forceconstructive algorithmsdfs and similardsugraphsgreedystrings
150015.6k
1799ECity Union
constructive algorithmsdfs and similardsugeometrygreedyimplementationmath
23001.4k
1796EColored Subgraphs
dfs and similardpgamesgreedytrees
25001.1k
1795FBlocking Chips
binary searchconstructive algorithmsdfs and similargreedytrees
24001.4k
1790FTimofey and Black-White Tree
brute forcedfs and similardivide and conquergraphsgreedymathshortest pathstrees
21004.2k
1788FXOR, Tree, and Queries
bitmasksconstructive algorithmsdfs and similardsugraphsgreedyimplementationtrees
25001.2k
1774ETwo Chess Pieces
dfs and similardpgreedytrees
19004k
1768DLucky Permutation
constructive algorithmsdfs and similargraphsgreedy
18009.3k
1761CSet Construction
constructive algorithmsdfs and similargraphsgreedy
140010.8k
1746DPaths on the Tree
dfs and similardpgreedysortingstrees
19005.2k
1740EHanging Hearts
constructive algorithmsdata structuresdfs and similardpgreedytrees
18005.1k
1739DReset K Edges
binary searchdata structuresdfs and similargraphsgreedytrees
19006.4k
1735CPhase Shift
dfs and similardsugraphsgreedyimplementationstrings
140011k
1721DMaximum AND
bitmasksdfs and similardivide and conquergreedysortings
18007.8k
1709EXOR Tree
bitmasksdata structuresdfs and similardsugreedytrees
24004.2k
1707CDFS Trees
dfs and similardsugraphsgreedysortingstrees
24002k
1706EQpwoeirut and Vertices
binary searchdata structuresdfs and similardivide and conquerdsugreedytrees
23004k
1695D1Tree Queries (Easy Version)
brute forceconstructive algorithmsdfs and similardpgreedytrees
22002.5k
1695D2Tree Queries (Hard Version)
constructive algorithmsdfs and similardpgreedytrees
23002.3k
1693BFake Plastic Trees
dfs and similardpgreedytrees
17009.7k
1691ENumber of Groups
data structuresdfs and similardsugraphsgreedysortings
23002.2k
1682EUnordered Swaps
constructive algorithmsdfs and similargraphsgreedymathsortingstrees
2700777
1677CTokitsukaze and Two Colorful Tapes
constructive algorithmsdfs and similargraphsgreedy
19004.1k
1675FVlad and Unfinished Business
dfs and similardpgreedytrees
18006.4k
1661BGetting Zero
bitmasksbrute forcedfs and similardpgraphsgreedyshortest paths
130021.1k
1654GSnowy Mountain
data structuresdfs and similargraphsgreedyshortest pathstrees
2900474
1651ESum of Matchings
brute forcecombinatoricsconstructive algorithmsdfs and similargraph matchingsgreedymath
2600669
1647EMadoka and the Sixth-graders
data structuresdfs and similargreedy
25001.1k
1637FTowers
constructive algorithmsdfs and similardpgreedytrees
25002.2k
1635ECars
2-satconstructive algorithmsdfs and similardsugraphsgreedysortings
22002.9k
1633ESpanning Tree Queries
binary searchdata structuresdfs and similardsugraphsgreedymathsortingstrees
24001.8k
1626EBlack and White Tree
dfs and similargreedytrees
24001.9k
1624GMinOr Tree
bitmasksdfs and similardsugraphsgreedy
19007.9k
1623EMiddle Duplication
data structuresdfs and similargreedystringstrees
25001.3k
1619GUnusual Minesweeper
binary searchdfs and similardsugreedysortings
20002.8k
1615EPurple Crayon
data structuresdfs and similargamesgraphsgreedymathsortingstrees
24001.8k
1611E1Escape The Maze (easy version)
dfs and similargreedyshortest pathstreestwo pointers
17008.5k
1611E2Escape The Maze (hard version)
dfs and similardpgreedyshortest pathstrees
19004.4k
1610HSquid Game
data structuresdfs and similargreedytrees
3100731
1608CGame Master
data structuresdfs and similardpgraphsgreedytwo pointers
17007.4k
1605DTreelabeling
bitmasksconstructive algorithmsdfs and similargamesgreedyimplementationtrees
21003.3k
1593BMake it Divisible by 25
dfs and similardpgreedymath
90043.1k
1593EGardener and Tree
brute forcedata structuresdfs and similargreedyimplementationtrees
160015.1k
1583EMoment of Bloom
constructive algorithmsdfs and similargraph matchingsgraphsgreedytrees
22002.5k
1574DThe Strongest Build
binary searchbrute forcedata structuresdfs and similargraphsgreedyhashingimplementation
20004.9k
1566EBuds Re-hanging
constructive algorithmsdfs and similardpgreedytrees
20004.5k
1560F1Nearest Beautiful Number (easy version)
binary searchbitmasksbrute forceconstructive algorithmsdfs and similargreedy
19006.8k
1560F2Nearest Beautiful Number (hard version)
bitmasksbrute forceconstructive algorithmsdfs and similardpgreedy
21005.1k
1559D2Mocha and Diana (Hard Version)
brute forceconstructive algorithmsdfs and similardsugraphsgreedytreestwo pointers
25003.2k
1558EDown Below
binary searchdfs and similargraphsgreedymeet-in-the-middleshortest paths
3000726
1549BGregor and the Pawn Game
dfs and similardpflowsgraph matchingsgraphsgreedyimplementation
80027.2k
1537FFigure Fixing
constructive algorithmsdfs and similardsugraphsgreedymath
22002.9k
1534F1Falling Sand (Easy Version)
dfs and similargraphsgreedy
25001.5k
1534F2Falling Sand (Hard Version)
dfs and similardpgraphsgreedy
3000790
1528AParsa's Humongous Tree
dfs and similardivide and conquerdpgreedytrees
160019.8k
1528CTrees of Tranquillity
data structuresdfs and similargreedytrees
23003k
1521DNastia Plays with a Tree
constructive algorithmsdata structuresdfs and similardpdsugreedyimplementationtrees
25002.4k
1520GTo Go Or Not To Go?
brute forcedfs and similargraphsgreedyimplementationshortest paths
22004.4k
1517CFillomino 2
constructive algorithmsdfs and similargreedyimplementation
140014.3k
1515FPhoenix and Earthquake
constructive algorithmsdfs and similardsugraphsgreedytrees
26002.2k
1508CComplete the MST
bitmasksbrute forcedata structuresdfs and similardsugraphsgreedytrees
25001.8k
1494DDogeforces
constructive algorithmsdata structuresdfs and similardivide and conquerdsugreedysortingstrees
23002.9k
1492EAlmost Fault-Tolerant Database
brute forceconstructive algorithmsdfs and similargreedyimplementation
25001.3k
1487CMinimum Ties
brute forceconstructive algorithmsdfs and similargraphsgreedyimplementationmath
150015.6k
1485EMove and Swap
dfs and similardpgreedytrees
25001.6k
1470DStrange Housing
constructive algorithmsdfs and similargraph matchingsgraphsgreedy
22004.3k
1466FEuclid's nightmare
bitmasksdfs and similardsugraphsgreedymathsortings
21003.1k
1453EDog Snacks
binary searchdfs and similardpgreedytrees
23002.3k
1452GGame On Tree
data structuresdfs and similargreedytrees
2700579
1442CGraph Transpositions
dfs and similargraphsgreedyshortest paths
24002k
1442EBlack, White and Grey Tree
binary searchconstructive algorithmsdfs and similardpgreedytrees
3000805
1436DBandit in a City
binary searchdfs and similargraphsgreedytrees
19006.6k
1407EEgor in the Republic of Dagestan
constructive algorithmsdfs and similardpgraphsgreedyshortest paths
25002k
1401DMaximum Distributed Tree
dfs and similardpgreedyimplementationmathnumber theorysortingstrees
180010.7k
1399E1Weights Division (easy version)
data structuresdfs and similargreedytrees
20006.4k
1399E2Weights Division (hard version)
binary searchdfs and similargreedysortingstreestwo pointers
22002.6k
1391EPairs of Pairs
constructive algorithmsdfs and similargraphsgreedytrees
26002.1k
1388CUncle Bogdan and Country Happiness
dfs and similargreedymathtrees
180010.5k
1388DCaptain Flint and Treasure
data structuresdfs and similargraphsgreedyimplementationtrees
20007k
1381DThe Majestic Brown Tree Snake
dfs and similardpgreedytreestwo pointers
3000832
1379CChoosing flowers
binary searchbrute forcedata structuresdfs and similardpgreedysortingstwo pointers
20006.2k
1369EDeadLee
data structuresdfs and similargreedyimplementationsortings
24002.5k
1367ENecklace Assembly
brute forcedfs and similardpgraphsgreedynumber theory
19005.9k
1365DSolve The Maze
constructive algorithmsdfs and similardsugraphsgreedyimplementationshortest paths
170021.3k
1364DEhab's Last Corollary
constructive algorithmsdfs and similargraphsgreedyimplementationtrees
21005.1k
1363ETree Shuffling
dfs and similardpgreedytrees
20007.6k
1348FPhoenix and Memory
data structuresdfs and similargraphsgreedy
2600968
1338BEdge Weight Assignment
bitmasksconstructive algorithmsdfs and similargreedymathtrees
18009.7k
1336ALinova and Kingdom
dfs and similardpgreedysortingstrees
160025.5k
1335FRobots on a Grid
data structuresdfs and similardsugraphsgreedymatrices
22002.5k
1332CK-Complete Word
dfs and similardsugreedyimplementationstrings
150021.7k
1325CEhab and Path-etic MEXs
constructive algorithmsdfs and similargreedytrees
150017.9k
1325FEhab's Last Theorem
constructive algorithmsdfs and similargraphsgreedy
25002.4k
1324CFrog Jumps
binary searchdata structuresdfs and similargreedyimplementation
110030.8k

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